{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "Since CVD - grown SWNTs can be highly aligned , they often outperform solution - processed SWNT films that are typically in the form of random network ."}
{"Chemical": []}